Numpad 1: XP Multiplier - once in the game toggle on and then pick up a resource off of the ground and you will see that you gain much more XP. Toggle back off and pick up another resource to reset it. Using this one option, you can basically create an uber character by levelling up so quickly by using larger XP numbers.

Numpad 2: Knowledge Points Multiplier - toggle on and when something normally triggers a KP increase, this will make you have more.

Numpad 3: Character Points Multiplier - toggle on and when something normally triggers a CP increase, this will make you have more.

Numpad 4: Player Damage Multiplier - toggle on and then pick something up off of the ground or spend a character point and you will see that it will increase the damage you can give.

Numpad 5: Armor Multiplier - toggle on and then pick something up off of the ground or spend a character point and you will see that it will increase the armor defense.

Numpad 6: Mana Regen Multiplier - toggle on and then pick something up off of the ground or spend a character point and you will see that it will increase the mana regen speed.

Numpad 7: Flying Cost Multiplier - toggle on and then try to spend for flying.

Numpad 8: Flying Speed Multiplier - toggle on and then pick a resource off of the ground and then when flying you are faster.

Numpad 9: Resource Collection Multipler - toggle on and then when you pick up a resource you actually pick up more.

Numpad 0: Structure Damage Multiplier - toggle on and this will increase the damage to structures.